30063940 has 24 divisors (see below), whose sum is σ = 63506520. Its totient is φ = 11954688.

The previous prime is 30063899. The next prime is 30063941. The reversal of 30063940 is 4936003.

It can be written as a sum of positive squares in 4 ways, for example, as 15256836 + 14807104 = 3906^2 + 3848^2 .

It is not an unprimeable number, because it can be changed into a prime (30063941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (2646105).

Almost surely, 2^30063940 is an apocalyptic number.

It is an amenable number.

30063940 is an abundant number, since it is smaller than the sum of its proper divisors (33442580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30063940 is a wasteful number, since it uses less digits than its factorization.

30063940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871 (or 8869 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30063940 is about 5483.0593649896. The cubic root of 30063940 is about 310.9438455562.

Adding to 30063940 its reverse (4936003), we get a palindrome (34999943).

The spelling of 30063940 in words is "thirty million, sixty-three thousand, nine hundred forty".